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Finding the Fourth Proportional to 26,480.64, 39,715.84 and 8,008.32

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Solution

The fourth proportional to 26,480.64, 39,715.84 and 8,008.32 is: 12,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.64 : 39,715.84 = 8,008.32 : x
  2. Step 2: Convert to fraction form
    26,480.64/39,715.84 = 8,008.32/x
  3. Step 3: Cross multiply
    26,480.64x = 39,715.84 × 8,008.32
  4. Step 4: Simplify right side
    26,480.64x = 318,057,155.79
  5. Step 5: Solve for x
    x = 318,057,155.79/26,480.64
  6. Step 6: Final answer
    x = 12,010.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.